<template>
	<!-- 内容 -->
	<div class="content-wrap" v-show="diyStore.editTab == 'content'">
		<div class="edit-attr-item-wrap">
			<h3 class="mb-[10px]">{{ t('imageSet') }}</h3>
			<el-form label-width="80px" class="px-[10px]">

				<el-form-item :label="t('imageHeight')" class="display-block">
					<el-input v-model.trim="diyStore.editComponent.imageHeight" :placeholder="t('imageHeightPlaceholder')" clearable maxlength="10" @blur="blurImageHeight">
						<template #append>px</template>
					</el-input>
					<div class="text-sm text-gray-400 mb-[10px]">{{ t('imageAdsTips') }}</div>
				</el-form-item>

				<div ref="imageBoxRef">
					<div v-for="(item,index) in diyStore.editComponent.list" :key="item.id" class="item-wrap p-[10px] pb-0 relative border border-dashed border-gray-300 mb-[16px]">
						<el-form-item :label="t('image')">
							<upload-image v-model="item.imageUrl" :limit="1" @change="selectImg" />
						</el-form-item>

						<div class="del absolute cursor-pointer z-[2] top-[-8px] right-[-8px]" v-show="diyStore.editComponent.list.length > 1" @click="diyStore.editComponent.list.splice(index,1)">
							<icon name="element CircleCloseFilled" color="#bbb" size="20px"/>
						</div>

						<el-form-item :label="t('link')">
							<diy-link v-model="item.link"/>
						</el-form-item>
					</div>
				</div>

				<el-button v-show="diyStore.editComponent.list.length < 10" class="w-full" @click="addImageAd">{{ t('addImageAd') }}</el-button>

			</el-form>
		</div>
	</div>

	<!-- 样式 -->
	<div class="style-wrap" v-show="diyStore.editTab == 'style'">

		<!-- 组件样式 -->
		<slot name="style"></slot>
	</div>

</template>

<script lang="ts" setup>
import { ref, watch, onMounted, nextTick } from 'vue'
import { t } from '@/lang'
import Sortable from 'sortablejs'
import { img } from '@/utils/common'
import { range } from 'lodash-es'
import useDiyStore from '@/stores/modules/diy'

const diyStore = useDiyStore()
diyStore.editComponent.ignore = [] // 忽略公共属性

// 组件验证
diyStore.editComponent.verify = (index: number) => {
    const res = { code: true, message: '' }
    if (diyStore.value[index].imageHeight == 0) {
        res.code = false
        res.message = t('imageHeightPlaceholder')
        return res
    }
    if (!/^\d+.?\d{0,2}$/.test(diyStore.value[index].imageHeight)) {
        res.code = false
        res.message = t('imageHeightRegNum')
        return res
    }
    diyStore.value[index].list.forEach((item: any) => {
        if (item.imageUrl === '') {
            res.code = false
            res.message = t('imageUrlTip')
            return res
        }
    })
    return res
}

diyStore.editComponent.list.forEach((item: any) => {
    if (!item.id) item.id = diyStore.generateRandom()
})

watch(
    () => diyStore.editComponent.list,
    (newValue, oldValue) => {
        // 设置图片宽高
        handleHeight()
    },
    { deep: true }
)

const addImageAd = () => {
    diyStore.editComponent.list.push({
        id: diyStore.generateRandom(),
        imageUrl: '',
        imgWidth: 0,
        imgHeight: 0,
        link: { name: '' }
    })
}

const selectImg = (url:string) => {
    handleHeight(true)
}

// 处理高度
const handleHeight = (isCalcHeight:boolean = false)=> {
    diyStore.editComponent.list.forEach((item: any, index: number) => {
        const image = new Image()
        image.src = img(item.imageUrl)
        image.onload = async () => {
            item.imgWidth = image.width
            item.imgHeight = image.height
            // 计算第一张图片高度
            if (isCalcHeight && index == 0) {
                const ratio = item.imgHeight / item.imgWidth
                item.width = 375 - (diyStore.editComponent.margin.both*2)
                item.height = item.width * ratio
                diyStore.editComponent.imageHeight = parseInt(item.height)
            }
        }
    })
}

const blurImageHeight = () => {
    diyStore.editComponent.imageHeight = parseInt(diyStore.editComponent.imageHeight)
}

const imageBoxRef = ref()

onMounted(() => {
    nextTick(() => {
        const sortable = Sortable.create(imageBoxRef.value, {
            group: 'item-wrap',
            animation: 200,
            onEnd: event => {
                const temp = diyStore.editComponent.list[event.oldIndex!]
                diyStore.editComponent.list.splice(event.oldIndex!, 1)
                diyStore.editComponent.list.splice(event.newIndex!, 0, temp)
                sortable.sort(
                    range(diyStore.editComponent.list.length).map(value => {
                        return value.toString()
                    })
                )
                handleHeight(true)
            }
        })
    })
})

defineExpose({})
</script>

<style lang="scss" scoped>
	.edit-image-ads {

		.item-wrap {
			.del {
				display: none;
			}

			&:hover {
				.del {
					display: block;
				}
			}
		}
	}
</style>
